Home / 15,456.33-23,186.20-4,923.90

Finding the Fourth Proportional to 15,456.33, 23,186.20 and 4,923.90

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Solution

The fourth proportional to 15,456.33, 23,186.20 and 4,923.90 is: 7,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.33 : 23,186.20 = 4,923.90 : x
  2. Step 2: Convert to fraction form
    15,456.33/23,186.20 = 4,923.90/x
  3. Step 3: Cross multiply
    15,456.33x = 23,186.20 × 4,923.90
  4. Step 4: Simplify right side
    15,456.33x = 114,166,447.60
  5. Step 5: Solve for x
    x = 114,166,447.60/15,456.33
  6. Step 6: Final answer
    x = 7,386.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.